Wednesday, April 19, 2006

VoIP : IP Packets

Data travel over the Internet in the form of Internet packets also known as IP packets. These IP packets have a payload as well as an address field which determines or we can say which informs different routers and gateways through which packet passes, where this IP packet will be delivered. In Voice over IP service this payload consists of the actual voice data. The address field consists of several layers. Each internet packet datagram consists of a specific set of fields in a certain order so that the networking devices know how to decode and read the stream of data received. The various fields of IP datagram are version, IHL, TOS, Total length, Identification, Flags, Fragment offset, TTL, Protocol, Header checksum, Source IP Address, Destination IP address, options, padding.

Comments:
voip softwares

Here's some useful info on voip softwares which you might be looking for. The url is:
http://www.voip-phone1.com/
 
hi,

I just want to inform everyone to a new web site called VoIP Spear (www.voipspear.com) to measure your QoS. It's the Internet's best and most accessible QoS testing service. It utilizes packet loss, latency, and jitter to calculate a MOS score between 1 (very poor quality) and 5 (excellent quality) for your Internet connection. VoIP Spear runs 24x7x365 so you can always have an idea of what your VoIP QoS is.

VoIP Spear shows your QoS in easy-to-read charts. You can also have it send you email alerts when your quality drops too low.

VoIP Spear (www.voipspear.com) is free for personal use.

 
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